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Support › General › action rwmb_after_{$meta_box_id} or action for settings page › Reply To: action rwmb_after_{$meta_box_id} or action for settings page
Sorry I meant rwmb_{$meta_box_id}_after_save_post . . . instead of a meta box ID, a $settings_pages[id] as opposed to the meta_boxes[id].
fyi, there is a space in the action of "rwmb_{$meta_box_id}_ after_save_post."